Emissions / Exhaust
Exhaust & Emissions: Converters & O2 Sensors
What’s the most important emissions control device on a vehicle today? The catalytic converter, because it cleans up any exhaust...
What’s the most important emissions control device on a vehicle today? The catalytic converter, because it cleans up any exhaust...
Too Much Weight
Most of us remember the “good old days” when an engine’s air/fuel (a/f) ratio was controlled by a mechanically operated...
The oxygen (O2) sensor is the master switch in the fuel control feedback loop. The sensor monitors the amount of...
Have muffler inspections become a low-priority undercar service in your shop? With the introduction of stainless-steel exhaust systems into the...
As modern OBD II technology marches on, it’s clear that the zirconia-based oxygen sensor now is being sold more as...
In this scan tool diagnostics article, we take a look at Mode $06 functions which govern non-continuous monitors (EVAP, catalyst,...
Is a muffler nothing more than a steel can with some baffles and tubes inside? That’s how most mufflers look,...
Mode 06 is the actual system test data that OBD II looks at when it decides to set a pending...
